Medical knee walker frame



FIG. 1 is an upper front perspective view of the medical knee walker frame;

FIG. 2 is a lower and rear perspective view of the medical knee walker frame;

FIG. 3 is a side elevational view of the medical knee walker frame;

FIG. 4 is an elevational view of the opposite side of the medical knee walker frame;

FIG. 5 is a top plan view of the medical knee walker frame;

FIG. 6 is a bottom plan view of the medical knee walker frame;

FIG. 7 is a front elevational view of the medical knee walker frame;

FIG. 8 is a rear elevational view of the medical knee walker frame; and,

FIG. 9 is a perspective view of the medical knee walker frame, shown in the environment of the complete walker.

The broken line showing is included for the purpose of illustrating environment and forms no part of the claimed design. 

CLAIM The ornamental design for a medical knee walker frame, as shown. 